<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>11601 - Disclosure - Product Warranty Provisions</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><CurrencyCode /><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName /><CurrencySymbol /><contextRef><ContextID>Duration_1_1_2013_To_6_30_2013</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0001289340</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-01-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-06-30T00:00:00</PeriodEndDate><Segments /><Scenarios /></contextRef><UPS /><CurrencyCode /><OriginalCurrencyCode /></MCU><CurrencySymbol /><Labels><Label Key="CalendarSupplement" Id="0" Label="6 Months Ended" /><Label Key="Calendar" Id="1" Label="Jun. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>us-gaap_ProductWarrantiesDisclosuresAbstract</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Product Warranty Provisions [Abstract]</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_ProductWarrantyDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>terseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="Duration_1_1_2013_To_6_30_2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div&gt; &lt;div style="margin-left:0pt;margin-right:0pt;"&gt;
		&lt;p style="margin:13.5pt 0pt 0pt 11.5pt;line-height:100%;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;font-weight:bold;font-style:italic;"&gt;12. Product Warranty Provisions&lt;/font&gt;&lt;font style="display: inline;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt 0pt 0pt 11.5pt;line-height:100%;font-family:Times New Roman;font-size: 12pt"&gt;
			&lt;font style="display: inline;font-size:12pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;line-height:100%;text-indent:21.6pt;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;The Company&amp;#x2019;s standard policy is to warrant all &lt;/font&gt;&lt;font style="display: inline;font-style:italic;"&gt;Niobe&lt;/font&gt;&lt;font style="display: inline;"&gt;, &amp;nbsp;&lt;/font&gt;&lt;font style="display: inline;font-style:italic;"&gt;Odyssey, &lt;/font&gt;&lt;font style="display: inline;"&gt;and &lt;/font&gt;&lt;font style="display: inline;font-style:italic;"&gt;Vdrive&lt;/font&gt;&lt;font style="display: inline;"&gt; systems against defects in material or workmanship for one year following installation. The Company&amp;#x2019;s estimate of costs to service the warranty obligations is based on historical experience and current product performance trends. A regular review of warranty obligations is performed to determine the adequacy of the reserve and adjustments are made to the estimated warranty liability as appropriate.&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;line-height:100%;text-indent:21.6pt;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;line-height:100%;text-indent:21.6pt;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;Accrued warranty, which is included in other accrued liabilities, consists of the following:&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;line-height:100%;text-indent:21.6pt;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p style="margin:0pt;line-height:100%;text-indent:21.6pt;font-family:Times New Roman;font-size: 1pt"&gt;
			&lt;font style="display: inline;font-size:1pt;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;div style="width:100%"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:46.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 1pt"&gt;
						&lt;font style="display: inline;font-size:1pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:09.02%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:05.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.32%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:46.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:09.02%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td colspan="2" valign="bottom" style="width:00.02%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;line-height:115%;font-family:Times New Roman;font-size: 8pt"&gt;
						&lt;font style="display: inline;font-weight:bold;font-size:8pt;"&gt;June 30, 2013&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:05.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td colspan="2" valign="bottom" style="width:00.02%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;line-height:115%;font-family:Times New Roman;font-size: 8pt"&gt;
						&lt;font style="display: inline;font-weight:bold;font-size:8pt;"&gt;December 31, 2012&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:46.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;Warranty accrual, beginning of the fiscal period&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:09.02%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;$&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.50%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;653,473&amp;nbsp;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:05.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;$&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.32%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;691,832&amp;nbsp;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:46.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;Warranty expense incurred&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:09.02%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;25,984&amp;nbsp;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:05.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.32%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;650,367&amp;nbsp;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:46.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;Payments made&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:09.02%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;(143,359)
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:05.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.32%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;(688,726)
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:46.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;Warranty accrual, end of the fiscal period&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="top" style="width:09.02%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;$&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.50%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;536,098&amp;nbsp;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:05.24%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.34%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;line-height:115%;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;"&gt;$&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.32%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:12pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;653,473&amp;nbsp;
				&lt;/td&gt;
			&lt;/tr&gt;
		&lt;/table&gt;&lt;/div&gt;
		&lt;p style="margin:0pt;line-height:100%;font-family:Times New Roman;font-size: 10pt"&gt;
			&lt;font style="display: inline;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p&gt;&lt;font size="1"&gt; &lt;/font&gt;&lt;/p&gt;
	&lt;/div&gt; &lt;/div&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 460

 -SubTopic 10

 -Section 50

 -Paragraph 8

 -URI http://asc.fasb.org/extlink&amp;oid=6398077&amp;loc=d3e12565-110249



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